(credit: Justin Sullivan/Getty Images)

(credit: Justin Sullivan/Getty Images)

DALLAS (CBSDFW.COM) – Spraying is underway in Dallas tonight, where West Nile carrying mosquitoes were confirmed in four areas across the city. One of those areas, is the 75228 zip code.

READ MORE: Dallas Neighborhood Crime Spike Has Many Questioning, 'Is Uptown Going Downhill?'

It’s where the city had one of the highest concentrations of human cases last summer. Ten people in the neighborhood were stricken with the disease.

Now the county wants to increase the amount of insecticide in the spray to the maximum allowed by law despite concerns that mosquitoes could develop a resistance to it.

“The data that we’ve received to date does not show that we’ve received resistance at this point,” according to Zach Thompson with the Dallas Health and Human Services.  “So that’s a good but again we’re still waiting on samples that we’ve sent to a consultant for review.”

READ MORE: Dallas Police Respond To 3 Shootings, 1 Major Crash Over Weekend

(©2013 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

Latest News:

[display-posts category=”news,sports” posts_per_page=”5″]

Top Trending:

MORE NEWS: Laredo Border Patrol Officers Seize Methamphetamine Worth More Than Half A Million Dollars